LDM42E is an optoelectronic distance measuring device for industrial applications with an integrated Ethernet interface. It works contact-free on the principle of comparative phase measurement (amplitude modulation) and facilitates precisely accurate measurement of distances. Both, the LDM42E and the LDM42E distinguish themselves through high precision as well as high independence from the surface of the measuring object. The red, well visible laser beam allows for easy alignment. The LDM42E has been developed for fast distance measurements on white surfaces. Through the integrated Ethernet interface it is possible to retrieve the measured data in the network via Telnet protocol or to change parameters.
| Measuring range |
0.2 m ... 30 m on almost all natural surfaces, over 100 m achievable depending on the degree of reflection of surfaces |
| Measuring uncertainty |
±2 mm under defined measuring conditions
±3 mm (+15 °C ... +30 °C)
±5 mm (-10 °C ... +50 °C) |
| Resolution |
0,1 mm, freely scalable |
| Reproducibility |
0,5 mm |
| Measuring time |
0.24 s ... 6 s adjustable or automatically in mode DT
0.1 s in mode DW on white surface
20 ms in mode DX on white surface (only LDM42E) |
| Laser class |
Laser class 2 acc. to DIN EN 60825-1:2001-11 (650 nm, red) |
| Laser divergence |
0,6 mrad |
| Operating temperature |
-10 °C ... +50 °C |
| Storage temperature |
-40 °C ... +70 °C |
| Supply voltage |
10 V ... 30 V direct currents |
| Power consumption |
Ca. 3,5 W |
| Serial interface |
RS232 or optional RS422, max. Baud rate 38400, ASCII, setting of measuring functions, scaling, measuring time via commands, display of measured values, internal temperature of the device and error code |
| Switching output |
Programmable switching threshold and hysteresis, "high side" switch, maximum load 0.5 A |
| Housing material |
Aluminum anodized |
| Size (LxBxH) |
187 mm x 96 mm x 50 mm |
| Weight |
850 g |
| Protection class |
IP 65 |
| Shock resistance |
10 g / 6 ms (DIN ISO 9022-3-31-01-1) |
| MTBF |
30,000 hours at 25 °C |
| Mounting |
4 drill holes for M6 screws, 100 mm x 85 mm |
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